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    Wyświetlanie 1-3 z 3
    Tytuł:
    Stability study of tank containers placed on a roll-trailer during transportation by railway ferry
    Autorzy:
    Fomin, O.
    Vatulia, G.
    Lovska, A.
    Gerlici, J.
    Kravchenko, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841536.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    railway ferry
    stability study
    tank containers
    roll-trailer
    transportation
    dynamic loading
    liquid cargo handling
    Opis:
    The article presents the results of determining the dynamic load of the load-bearing structure of the tank container placed on a roll-trailer during transportation by railway ferry. For this purpose, a mathematical model was developed, which takes into account the dynamic loading of the tank container during angular displacements of the railway ferry. It is taken into account that the roll trailer is rigidly fixed on the deck, and the tank container and the liquid cargo in the boiler have their own degrees of freedom. The obtained accelerations are taken into account when calculating the stability of the tank container on the roll trailer. Thus the stability of the tank container is provided at lurch angles to 240. The carried-out researches will allow increasing safety of transportations of tank-containers on railway ferries by the sea, and also the efficiency of functioning of combined transportations in the international communication.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 2; 315-319
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The dynamic of oxidative changes in rapeseed oil during maritime transport determined by storage conditions
    Autorzy:
    Ocieczek, A.
    Kaizer, A.
    Zischke, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/117448.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime transport of goods
    rapeseed oil
    oxidative changes
    maritime transport
    storage
    Modified Atmosphere Packing (MAP)
    TBA Index
    liquid cargo protection
    Opis:
    In order to provide quality and safety of liquid cargo carried by sea, it is necessary to obey the rules of its protection. During maritime transport edible oils are prone to detrimental influence of many external factors such as supply of oxygen, of water, of metal ions and of pollution, as well as changes of temperature and mixing caused by ship movement. Due to them, they could undergo oxidation reactions, hydrolysis, polymerization and various types of physical transformation. On account of them the deterioration of nutritional, health and sensory qualities of fat could occur. The aim of the study was the assessment of the dynamic of changes with oxidative character (peroxide value and TBA index) which could appear in edible oils depending on their storage conditions. The analysis, which lasted 12 weeks, concerns rapeseed oil. Oxidative changes were registered every two week. The storage conditions in the atmospheric air induced danger connected with oxygen presence, whereas nitrogen blanketing eliminated this risk factor. The assessment also includes the influence of temperature of storage (indoor temperature 20˚C or refrigeration temperature 4˚C) and mixing of the fats. The results indicate that nitrogen blanketing, lowering the temperature and eliminating the mixing during storage of oil have highly positive impact on reduction of oxidative changes in fats.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 107-113
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of Watchkeeping Officers Watches Under The Working Hours Ineligible to STCW Regulation
    Autorzy:
    Yılmaz, H.
    Başarir, E.
    Yüksekyıldız, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/116498.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Ship Watchkeeping
    STCW Convention
    Working Hours
    Officer of the Watch (OOW)
    Full Mission Bridge Simulator (FMBS)
    Watchkeeping Officer
    Liquid Cargo Handling
    Resting Periods
    Opis:
    In parallel with the increase in the volume of world trade, cargo handling rates and seafarers' pace of work has increased. Although the STCW regulations and restrictions on working hours has improved, this tempo has brought with it insufficient resting hours, especially in short sea transport. It is known that individuals under stress and intensive workloads are more prone to making mistakes due to fatigue. In this study, the officers’ working hours are simulated in full-mission simulator at short sea transport to investigate errors made during the navigation and port watches. For this purpose, the data were obtained from 7 volunteers watchkeeping officers with the help of video monitoring and check lists in the full-bridge simulator system and also, system records in cargo handling simulator. With this study, introduced what types of errors made during navigation and port watches by watchkeeping officers under the intense pace of work. And the errors are evaluated under the legislation of international maritime. As a result, to comply with the limitations of working hours, it is necessary to increase the number of officers responsible for operations on short sea transport.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 493-500
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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